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61b844bf TL |
1 | /* protocol.c |
2 | ||
3 | Functions supporting the object management protocol... */ | |
4 | ||
5 | /* | |
7512d88b | 6 | * Copyright (c) 2004-2017 by Internet Systems Consortium, Inc. ("ISC") |
98311e4b | 7 | * Copyright (c) 1999-2003 by Internet Software Consortium |
61b844bf | 8 | * |
7512d88b TM |
9 | * This Source Code Form is subject to the terms of the Mozilla Public |
10 | * License, v. 2.0. If a copy of the MPL was not distributed with this | |
11 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
61b844bf | 12 | * |
98311e4b DH |
13 | * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES |
14 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
15 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR | |
16 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
17 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
18 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT | |
19 | * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
61b844bf | 20 | * |
98311e4b | 21 | * Internet Systems Consortium, Inc. |
429a56d7 TM |
22 | * PO Box 360 |
23 | * Newmarket, NH 03857 USA | |
98311e4b | 24 | * <info@isc.org> |
2c85ac9b | 25 | * https://www.isc.org/ |
49733f31 | 26 | * |
61b844bf TL |
27 | */ |
28 | ||
fe5b0fdd DH |
29 | #include "dhcpd.h" |
30 | ||
6a4c4be8 | 31 | #include <omapip/omapip_p.h> |
61b844bf | 32 | |
20916cae TL |
33 | OMAPI_OBJECT_ALLOC (omapi_protocol, omapi_protocol_object_t, |
34 | omapi_type_protocol) | |
35 | OMAPI_OBJECT_ALLOC (omapi_protocol_listener, omapi_protocol_listener_object_t, | |
36 | omapi_type_protocol_listener) | |
37 | ||
61b844bf | 38 | isc_result_t omapi_protocol_connect (omapi_object_t *h, |
b1b7b521 | 39 | const char *server_name, |
d9eefc5d | 40 | unsigned port, |
49146f3c | 41 | omapi_object_t *a) |
61b844bf | 42 | { |
a3239005 | 43 | isc_result_t rstatus, status; |
61b844bf TL |
44 | omapi_protocol_object_t *obj; |
45 | ||
e11a162f DN |
46 | #ifdef DEBUG_PROTOCOL |
47 | log_debug ("omapi_protocol_connect(%s port=%d)", server_name, port); | |
48 | #endif | |
49 | ||
20916cae TL |
50 | obj = (omapi_protocol_object_t *)0; |
51 | status = omapi_protocol_allocate (&obj, MDL); | |
52 | if (status != ISC_R_SUCCESS) | |
53 | return status; | |
61b844bf | 54 | |
a3239005 | 55 | rstatus = omapi_connect ((omapi_object_t *)obj, server_name, port); |
98bf1607 | 56 | if (rstatus != ISC_R_SUCCESS && rstatus != DHCP_R_INCOMPLETE) { |
20916cae | 57 | omapi_protocol_dereference (&obj, MDL); |
a3239005 | 58 | return rstatus; |
61b844bf | 59 | } |
4bd8800e TL |
60 | status = omapi_object_reference (&h -> outer, |
61 | (omapi_object_t *)obj, MDL); | |
61b844bf | 62 | if (status != ISC_R_SUCCESS) { |
20916cae | 63 | omapi_protocol_dereference (&obj, MDL); |
61b844bf TL |
64 | return status; |
65 | } | |
4bd8800e | 66 | status = omapi_object_reference (&obj -> inner, h, MDL); |
61b844bf | 67 | if (status != ISC_R_SUCCESS) { |
20916cae | 68 | omapi_protocol_dereference (&obj, MDL); |
61b844bf TL |
69 | return status; |
70 | } | |
71 | ||
49146f3c DN |
72 | /* If we were passed a default authenticator, store it now. We'll |
73 | open it once we're connected. */ | |
74 | if (a) { | |
75 | obj -> default_auth = | |
76 | dmalloc (sizeof(omapi_remote_auth_t), MDL); | |
77 | if (!obj -> default_auth) { | |
78 | omapi_protocol_dereference (&obj, MDL); | |
79 | return ISC_R_NOMEMORY; | |
80 | } | |
81 | ||
82 | obj -> default_auth -> next = (omapi_remote_auth_t *)0; | |
83 | status = omapi_object_reference (&obj -> default_auth -> a, | |
84 | a, MDL); | |
85 | if (status != ISC_R_SUCCESS) { | |
86 | dfree (obj -> default_auth, MDL); | |
87 | omapi_protocol_dereference (&obj, MDL); | |
88 | return status; | |
89 | } | |
90 | ||
91 | obj -> insecure = 0; | |
98bf1607 | 92 | rstatus = DHCP_R_INCOMPLETE; |
49146f3c DN |
93 | } else { |
94 | obj -> insecure = 1; | |
a3239005 | 95 | #if 0 |
366556ef | 96 | status = ISC_R_SUCCESS; |
a3239005 | 97 | #endif |
49146f3c DN |
98 | } |
99 | ||
20916cae | 100 | omapi_protocol_dereference (&obj, MDL); |
a3239005 | 101 | return rstatus; |
61b844bf TL |
102 | } |
103 | ||
104 | /* Send the protocol introduction message. */ | |
105 | isc_result_t omapi_protocol_send_intro (omapi_object_t *h, | |
b1b7b521 TL |
106 | unsigned ver, |
107 | unsigned hsize) | |
61b844bf TL |
108 | { |
109 | isc_result_t status; | |
110 | omapi_protocol_object_t *p; | |
111 | ||
e11a162f DN |
112 | #ifdef DEBUG_PROTOCOL |
113 | log_debug ("omapi_protocol_send_intro()"); | |
114 | #endif | |
115 | ||
61b844bf | 116 | if (h -> type != omapi_type_protocol) |
98bf1607 | 117 | return DHCP_R_INVALIDARG; |
61b844bf TL |
118 | p = (omapi_protocol_object_t *)h; |
119 | ||
120 | if (!h -> outer || h -> outer -> type != omapi_type_connection) | |
121 | return ISC_R_NOTCONNECTED; | |
122 | ||
123 | status = omapi_connection_put_uint32 (h -> outer, ver); | |
124 | if (status != ISC_R_SUCCESS) | |
125 | return status; | |
126 | ||
127 | status = omapi_connection_put_uint32 (h -> outer, hsize); | |
128 | ||
129 | if (status != ISC_R_SUCCESS) | |
130 | return status; | |
131 | ||
132 | /* Require the other end to send an intro - this kicks off the | |
133 | protocol input state machine. */ | |
134 | p -> state = omapi_protocol_intro_wait; | |
135 | status = omapi_connection_require (h -> outer, 8); | |
98bf1607 | 136 | if (status != ISC_R_SUCCESS && status != DHCP_R_NOTYET) |
61b844bf TL |
137 | return status; |
138 | ||
139 | /* Make up an initial transaction ID for this connection. */ | |
140 | p -> next_xid = random (); | |
141 | return ISC_R_SUCCESS; | |
142 | } | |
143 | ||
74dc3e0b EH |
144 | #ifdef DEBUG_PROTOCOL |
145 | extern const char *omapi_message_op_name(int); | |
146 | #endif /* DEBUG_PROTOCOL */ | |
147 | ||
61b844bf TL |
148 | isc_result_t omapi_protocol_send_message (omapi_object_t *po, |
149 | omapi_object_t *id, | |
150 | omapi_object_t *mo, | |
151 | omapi_object_t *omo) | |
152 | { | |
153 | omapi_protocol_object_t *p; | |
154 | omapi_object_t *c; | |
20916cae | 155 | omapi_message_object_t *m, *om; |
49146f3c DN |
156 | omapi_remote_auth_t *ra; |
157 | omapi_value_t *signature; | |
61b844bf | 158 | isc_result_t status; |
49146f3c | 159 | unsigned auth_len; |
61b844bf TL |
160 | |
161 | if (po -> type != omapi_type_protocol || | |
162 | !po -> outer || po -> outer -> type != omapi_type_connection || | |
165bce70 | 163 | mo -> type != omapi_type_message) |
98bf1607 | 164 | return DHCP_R_INVALIDARG; |
165bce70 | 165 | if (omo && omo -> type != omapi_type_message) |
98bf1607 | 166 | return DHCP_R_INVALIDARG; |
61b844bf TL |
167 | p = (omapi_protocol_object_t *)po; |
168 | c = (omapi_object_t *)(po -> outer); | |
169 | m = (omapi_message_object_t *)mo; | |
170 | om = (omapi_message_object_t *)omo; | |
171 | ||
e11a162f | 172 | #ifdef DEBUG_PROTOCOL |
74dc3e0b EH |
173 | log_debug ("omapi_protocol_send_message(): " |
174 | "op=%s handle=%#lx id=%#lx rid=%#lx", | |
175 | omapi_message_op_name (m->op), | |
e11a162f DN |
176 | (long)(m -> object ? m -> object -> handle : m -> handle), |
177 | (long)p -> next_xid, (long)m -> rid); | |
178 | #endif | |
179 | ||
49146f3c DN |
180 | /* Find the authid to use for this message. */ |
181 | if (id) { | |
182 | for (ra = p -> remote_auth_list; ra; ra = ra -> next) { | |
183 | if (ra -> a == id) { | |
184 | break; | |
185 | } | |
186 | } | |
187 | ||
188 | if (!ra) | |
98bf1607 | 189 | return DHCP_R_KEY_UNKNOWN; |
49146f3c DN |
190 | } else if (p -> remote_auth_list) { |
191 | ra = p -> default_auth; | |
192 | } else { | |
193 | ra = (omapi_remote_auth_t *)0; | |
194 | } | |
195 | ||
196 | if (ra) { | |
197 | m -> authid = ra -> remote_handle; | |
198 | status = omapi_object_reference (&m -> id_object, | |
199 | ra -> a, MDL); | |
200 | if (status != ISC_R_SUCCESS) | |
201 | return status; | |
202 | } | |
203 | ||
204 | /* Write the ID of the authentication key we're using. */ | |
205 | status = omapi_connection_put_uint32 (c, ra ? ra -> remote_handle : 0); | |
206 | if (status != ISC_R_SUCCESS) { | |
207 | omapi_disconnect (c, 1); | |
61b844bf | 208 | return status; |
49146f3c DN |
209 | } |
210 | ||
211 | /* Activate the authentication key on the connection. */ | |
212 | auth_len = 0; | |
213 | if (ra) { | |
214 | status = omapi_set_object_value (c, (omapi_object_t *)0, | |
215 | "output-authenticator", | |
216 | ra -> a); | |
217 | if (status != ISC_R_SUCCESS) { | |
218 | omapi_disconnect (c, 1); | |
219 | return status; | |
220 | } | |
221 | ||
222 | status = omapi_connection_output_auth_length (c, &auth_len); | |
223 | if (status != ISC_R_SUCCESS) { | |
224 | omapi_disconnect (c, 1); | |
225 | return status; | |
226 | } | |
227 | } | |
228 | ||
229 | /* Write the authenticator length */ | |
230 | status = omapi_connection_put_uint32 (c, auth_len); | |
61b844bf TL |
231 | if (status != ISC_R_SUCCESS) { |
232 | omapi_disconnect (c, 1); | |
233 | return status; | |
234 | } | |
235 | ||
236 | /* Write the opcode. */ | |
237 | status = omapi_connection_put_uint32 (c, m -> op); | |
238 | if (status != ISC_R_SUCCESS) { | |
239 | omapi_disconnect (c, 1); | |
240 | return status; | |
241 | } | |
242 | ||
243 | /* Write the handle. If we've been given an explicit handle, use | |
244 | that. Otherwise, use the handle of the object we're sending. | |
245 | The caller is responsible for arranging for one of these handles | |
246 | to be set (or not). */ | |
247 | status = omapi_connection_put_uint32 (c, (m -> h | |
248 | ? m -> h | |
5a8e13c6 TL |
249 | : (m -> object |
250 | ? m -> object -> handle | |
251 | : 0))); | |
61b844bf TL |
252 | if (status != ISC_R_SUCCESS) { |
253 | omapi_disconnect (c, 1); | |
254 | return status; | |
255 | } | |
256 | ||
257 | /* Set and write the transaction ID. */ | |
258 | m -> id = p -> next_xid++; | |
259 | status = omapi_connection_put_uint32 (c, m -> id); | |
260 | if (status != ISC_R_SUCCESS) { | |
261 | omapi_disconnect (c, 1); | |
262 | return status; | |
263 | } | |
264 | ||
265 | /* Write the transaction ID of the message to which this is a | |
266 | response, if there is such a message. */ | |
5a8e13c6 | 267 | status = omapi_connection_put_uint32 (c, om ? om -> id : m -> rid); |
61b844bf TL |
268 | if (status != ISC_R_SUCCESS) { |
269 | omapi_disconnect (c, 1); | |
270 | return status; | |
271 | } | |
272 | ||
581e37e4 | 273 | /* Stuff out the name/value pairs specific to this message. */ |
5a8e13c6 TL |
274 | status = omapi_stuff_values (c, id, (omapi_object_t *)m); |
275 | if (status != ISC_R_SUCCESS) { | |
276 | omapi_disconnect (c, 1); | |
277 | return status; | |
581e37e4 TL |
278 | } |
279 | ||
280 | /* Write the zero-length name that terminates the list of name/value | |
281 | pairs specific to the message. */ | |
282 | status = omapi_connection_put_uint16 (c, 0); | |
61b844bf TL |
283 | if (status != ISC_R_SUCCESS) { |
284 | omapi_disconnect (c, 1); | |
285 | return status; | |
286 | } | |
287 | ||
581e37e4 TL |
288 | /* Stuff out all the published name/value pairs in the object that's |
289 | being sent in the message, if there is one. */ | |
290 | if (m -> object) { | |
291 | status = omapi_stuff_values (c, id, m -> object); | |
292 | if (status != ISC_R_SUCCESS) { | |
293 | omapi_disconnect (c, 1); | |
294 | return status; | |
295 | } | |
296 | } | |
297 | ||
61b844bf | 298 | /* Write the zero-length name that terminates the list of name/value |
581e37e4 | 299 | pairs for the associated object. */ |
61b844bf TL |
300 | status = omapi_connection_put_uint16 (c, 0); |
301 | if (status != ISC_R_SUCCESS) { | |
302 | omapi_disconnect (c, 1); | |
303 | return status; | |
304 | } | |
305 | ||
49146f3c DN |
306 | if (ra) { |
307 | /* Calculate the message signature. */ | |
308 | signature = (omapi_value_t *)0; | |
309 | status = omapi_get_value_str (c, (omapi_object_t *)0, | |
310 | "output-signature", &signature); | |
311 | if (status != ISC_R_SUCCESS) { | |
312 | omapi_disconnect (c, 1); | |
313 | return status; | |
314 | } | |
315 | ||
316 | /* Write the authenticator... */ | |
317 | status = (omapi_connection_copyin | |
318 | (c, signature -> value -> u.buffer.value, | |
319 | signature -> value -> u.buffer.len)); | |
320 | omapi_value_dereference (&signature, MDL); | |
321 | if (status != ISC_R_SUCCESS) { | |
322 | omapi_disconnect (c, 1); | |
323 | return status; | |
324 | } | |
325 | ||
326 | /* Dectivate the authentication key on the connection. */ | |
327 | status = omapi_set_value_str (c, (omapi_object_t *)0, | |
328 | "output-authenticator", | |
329 | (omapi_typed_data_t *)0); | |
330 | if (status != ISC_R_SUCCESS) { | |
331 | omapi_disconnect (c, 1); | |
332 | return status; | |
333 | } | |
334 | } | |
61b844bf | 335 | |
d758ad8c TL |
336 | if (!omo) { |
337 | omapi_protocol_reference (&m -> protocol_object, p, MDL); | |
338 | } | |
61b844bf TL |
339 | return ISC_R_SUCCESS; |
340 | } | |
f6b8f48d | 341 | |
61b844bf TL |
342 | |
343 | isc_result_t omapi_protocol_signal_handler (omapi_object_t *h, | |
b1b7b521 | 344 | const char *name, va_list ap) |
61b844bf TL |
345 | { |
346 | isc_result_t status; | |
347 | omapi_protocol_object_t *p; | |
348 | omapi_object_t *c; | |
d758ad8c | 349 | omapi_message_object_t *m; |
0f750c4f | 350 | omapi_value_t *signature = NULL; |
61b844bf TL |
351 | u_int16_t nlen; |
352 | u_int32_t vlen; | |
bbdb72a4 | 353 | u_int32_t th; |
31bbee78 | 354 | #if defined (DEBUG_MEMORY_LEAKAGE) |
98311e4b DH |
355 | unsigned long previous_outstanding = 0xDEADBEEF; |
356 | unsigned long connect_outstanding = 0xDEADBEEF; | |
31bbee78 | 357 | #endif |
61b844bf TL |
358 | |
359 | if (h -> type != omapi_type_protocol) { | |
360 | /* XXX shouldn't happen. Put an assert here? */ | |
361 | return ISC_R_UNEXPECTED; | |
362 | } | |
363 | p = (omapi_protocol_object_t *)h; | |
364 | ||
ffc05866 | 365 | if (!strcmp (name, "connect")) { |
31bbee78 TL |
366 | #if defined (DEBUG_MEMORY_LEAKAGE) |
367 | connect_outstanding = dmalloc_outstanding; | |
368 | #endif | |
ffc05866 TL |
369 | /* Send the introductory message. */ |
370 | status = omapi_protocol_send_intro | |
7deff076 | 371 | (h, OMAPI_PROTOCOL_VERSION, |
ffc05866 TL |
372 | sizeof (omapi_protocol_header_t)); |
373 | if (status != ISC_R_SUCCESS) { | |
374 | omapi_disconnect (p -> outer, 1); | |
375 | return status; | |
376 | } | |
377 | return ISC_R_SUCCESS; | |
378 | } | |
379 | ||
49146f3c DN |
380 | /* Should only receive these when opening the initial authenticator. */ |
381 | if (!strcmp (name, "status")) { | |
382 | status = va_arg (ap, isc_result_t); | |
383 | if (status != ISC_R_SUCCESS) { | |
384 | omapi_signal_in (h -> inner, "status", status, | |
385 | (omapi_object_t *)0); | |
386 | omapi_disconnect (p -> outer, 1); | |
387 | return status; | |
388 | } else { | |
389 | return omapi_signal_in (h -> inner, "ready"); | |
390 | } | |
391 | } | |
392 | ||
31bbee78 | 393 | /* If we get a disconnect, dump memory usage. */ |
a609e69b | 394 | if (!strcmp (name, "disconnect")) { |
31bbee78 | 395 | #if defined (DEBUG_MEMORY_LEAKAGE) |
98311e4b | 396 | if (connect_outstanding != 0xDEADBEEF) { |
31bbee78 TL |
397 | log_info ("generation %ld: %ld new, %ld outstanding, %ld%s", |
398 | dmalloc_generation, | |
399 | dmalloc_outstanding - previous_outstanding, | |
400 | dmalloc_outstanding, dmalloc_longterm, " long-term"); | |
a609e69b | 401 | } |
31bbee78 | 402 | #endif |
d758ad8c | 403 | #if defined (DEBUG_MEMORY_LEAKAGE) |
a609e69b | 404 | dmalloc_dump_outstanding (); |
31bbee78 TL |
405 | #endif |
406 | #if defined (DEBUG_RC_HISTORY_EXHAUSTIVELY) | |
4619c0a2 | 407 | dump_rc_history (h); |
31bbee78 | 408 | #endif |
a609e69b TL |
409 | for (m = omapi_registered_messages; m; m = m -> next) { |
410 | if (m -> protocol_object == p) { | |
411 | if (m -> object) | |
412 | omapi_signal (m -> object, "disconnect"); | |
413 | } | |
414 | } | |
4619c0a2 DH |
415 | |
416 | /* XXX */ | |
417 | return ISC_R_SUCCESS; | |
31bbee78 TL |
418 | } |
419 | ||
61b844bf TL |
420 | /* Not a signal we recognize? */ |
421 | if (strcmp (name, "ready")) { | |
422 | if (p -> inner && p -> inner -> type -> signal_handler) | |
423 | return (*(p -> inner -> type -> signal_handler)) (h, | |
424 | name, | |
425 | ap); | |
426 | return ISC_R_NOTFOUND; | |
427 | } | |
428 | ||
429 | if (!p -> outer || p -> outer -> type != omapi_type_connection) | |
98bf1607 | 430 | return DHCP_R_INVALIDARG; |
61b844bf TL |
431 | c = p -> outer; |
432 | ||
433 | /* We get here because we requested that we be woken up after | |
434 | some number of bytes were read, and that number of bytes | |
435 | has in fact been read. */ | |
436 | switch (p -> state) { | |
437 | case omapi_protocol_intro_wait: | |
438 | /* Get protocol version and header size in network | |
439 | byte order. */ | |
d9eefc5d TL |
440 | omapi_connection_get_uint32 (c, &p -> protocol_version); |
441 | omapi_connection_get_uint32 (c, &p -> header_size); | |
f6b8f48d | 442 | |
61b844bf TL |
443 | /* We currently only support the current protocol version. */ |
444 | if (p -> protocol_version != OMAPI_PROTOCOL_VERSION) { | |
445 | omapi_disconnect (c, 1); | |
98bf1607 | 446 | return DHCP_R_VERSIONMISMATCH; |
61b844bf TL |
447 | } |
448 | ||
449 | if (p -> header_size < sizeof (omapi_protocol_header_t)) { | |
450 | omapi_disconnect (c, 1); | |
98bf1607 | 451 | return DHCP_R_PROTOCOLERROR; |
61b844bf TL |
452 | } |
453 | ||
49146f3c DN |
454 | if (p -> default_auth) { |
455 | status = omapi_protocol_send_open | |
456 | (h, (omapi_object_t *)0, "authenticator", | |
457 | p -> default_auth -> a, | |
458 | OMAPI_NOTIFY_PROTOCOL); | |
459 | if (status != ISC_R_SUCCESS) { | |
460 | omapi_disconnect (c, 1); | |
461 | return status; | |
462 | } | |
463 | } else { | |
464 | status = omapi_signal_in (h -> inner, "ready"); | |
465 | } | |
61b844bf TL |
466 | |
467 | to_header_wait: | |
468 | /* The next thing we're expecting is a message header. */ | |
469 | p -> state = omapi_protocol_header_wait; | |
470 | ||
471 | /* Register a need for the number of bytes in a | |
472 | header, and if we already have that many, process | |
473 | them immediately. */ | |
d9eefc5d TL |
474 | if ((omapi_connection_require (c, p -> header_size)) != |
475 | ISC_R_SUCCESS) | |
61b844bf TL |
476 | break; |
477 | /* If we already have the data, fall through. */ | |
478 | ||
479 | case omapi_protocol_header_wait: | |
31bbee78 | 480 | #if defined (DEBUG_MEMORY_LEAKAGE) |
98311e4b | 481 | if (previous_outstanding != 0xDEADBEEF) { |
31bbee78 TL |
482 | log_info ("%s %ld: %ld new, %ld outstanding, %ld%s", |
483 | "generation", dmalloc_generation, | |
484 | dmalloc_outstanding - previous_outstanding, | |
485 | dmalloc_outstanding, dmalloc_longterm, | |
486 | " long-term"); | |
487 | #endif | |
488 | #if (defined (DEBUG_MEMORY_LEAKAGE) || defined (DEBUG_MALLOC_POOL)) | |
489 | dmalloc_dump_outstanding (); | |
490 | #endif | |
491 | #if defined (DEBUG_RC_HISTORY_EXHAUSTIVELY) | |
4619c0a2 | 492 | dump_rc_history (h); |
31bbee78 TL |
493 | #endif |
494 | #if defined (DEBUG_MEMORY_LEAKAGE) | |
495 | } | |
496 | previous_outstanding = dmalloc_outstanding; | |
497 | #endif | |
db4cfe3b DN |
498 | status = omapi_message_new ((omapi_object_t **)&p -> message, |
499 | MDL); | |
61b844bf TL |
500 | if (status != ISC_R_SUCCESS) { |
501 | omapi_disconnect (c, 1); | |
502 | return status; | |
503 | } | |
504 | ||
49146f3c DN |
505 | p -> verify_result = ISC_R_SUCCESS; |
506 | ||
61b844bf | 507 | /* Swap in the header... */ |
d9eefc5d | 508 | omapi_connection_get_uint32 (c, &p -> message -> authid); |
61b844bf | 509 | |
49146f3c DN |
510 | /* Bind the authenticator to the message object. */ |
511 | if (p -> message -> authid) { | |
512 | status = (omapi_protocol_lookup_auth | |
513 | (&p -> message -> id_object, h, | |
514 | p -> message -> authid)); | |
515 | if (status != ISC_R_SUCCESS) | |
516 | p -> verify_result = status; | |
517 | ||
518 | /* Activate the authentication key. */ | |
519 | status = omapi_set_object_value | |
520 | (c, (omapi_object_t *)0, "input-authenticator", | |
521 | p -> message -> id_object); | |
522 | if (status != ISC_R_SUCCESS) { | |
523 | omapi_disconnect (c, 1); | |
524 | return status; | |
525 | } | |
526 | } | |
527 | ||
d9eefc5d TL |
528 | omapi_connection_get_uint32 (c, &p -> message -> authlen); |
529 | omapi_connection_get_uint32 (c, &p -> message -> op); | |
bbdb72a4 | 530 | omapi_connection_get_uint32 (c, &th); |
3185c188 | 531 | p -> message -> h = th; |
d9eefc5d TL |
532 | omapi_connection_get_uint32 (c, &p -> message -> id); |
533 | omapi_connection_get_uint32 (c, &p -> message -> rid); | |
61b844bf TL |
534 | |
535 | /* If there was any extra header data, skip over it. */ | |
536 | if (p -> header_size > sizeof (omapi_protocol_header_t)) { | |
537 | omapi_connection_copyout | |
538 | (0, c, (p -> header_size - | |
539 | sizeof (omapi_protocol_header_t))); | |
540 | } | |
f6b8f48d | 541 | |
61b844bf TL |
542 | /* XXX must compute partial signature across the |
543 | XXX preceding bytes. Also, if authenticator | |
544 | specifies encryption as well as signing, we may | |
545 | have to decrypt the data on the way in. */ | |
546 | ||
581e37e4 TL |
547 | /* First we read in message-specific values, then object |
548 | values. */ | |
549 | p -> reading_message_values = 1; | |
550 | ||
61b844bf TL |
551 | need_name_length: |
552 | /* The next thing we're expecting is length of the | |
553 | first name. */ | |
554 | p -> state = omapi_protocol_name_length_wait; | |
555 | ||
556 | /* Wait for a 16-bit length. */ | |
557 | if ((omapi_connection_require (c, 2)) != ISC_R_SUCCESS) | |
558 | break; | |
559 | /* If it's already here, fall through. */ | |
560 | ||
561 | case omapi_protocol_name_length_wait: | |
562 | omapi_connection_get_uint16 (c, &nlen); | |
563 | /* A zero-length name means that we're done reading name+value | |
564 | pairs. */ | |
565 | if (nlen == 0) { | |
581e37e4 TL |
566 | /* If we've already read in the object, we are |
567 | done reading the message, but if we've just | |
568 | finished reading in the values associated | |
569 | with the message, we need to read the | |
570 | object. */ | |
571 | if (p -> reading_message_values) { | |
572 | p -> reading_message_values = 0; | |
573 | goto need_name_length; | |
574 | } | |
575 | ||
61b844bf TL |
576 | /* If the authenticator length is zero, there's no |
577 | signature to read in, so go straight to processing | |
578 | the message. */ | |
579 | if (p -> message -> authlen == 0) | |
580 | goto message_done; | |
581 | ||
582 | /* The next thing we're expecting is the | |
583 | message signature. */ | |
584 | p -> state = omapi_protocol_signature_wait; | |
585 | ||
586 | /* Wait for the number of bytes specified for | |
587 | the authenticator. If we already have it, | |
588 | go read it in. */ | |
589 | if (omapi_connection_require | |
590 | (c, p -> message -> authlen) == ISC_R_SUCCESS) | |
591 | goto signature_wait; | |
592 | break; | |
593 | } | |
594 | ||
595 | /* Allocate a buffer for the name. */ | |
4bd8800e | 596 | status = (omapi_data_string_new (&p -> name, nlen, MDL)); |
61b844bf TL |
597 | if (status != ISC_R_SUCCESS) { |
598 | omapi_disconnect (c, 1); | |
599 | return ISC_R_NOMEMORY; | |
600 | } | |
581e37e4 | 601 | p -> state = omapi_protocol_name_wait; |
61b844bf TL |
602 | if (omapi_connection_require (c, nlen) != ISC_R_SUCCESS) |
603 | break; | |
604 | /* If it's already here, fall through. */ | |
f6b8f48d | 605 | |
61b844bf TL |
606 | case omapi_protocol_name_wait: |
607 | omapi_connection_copyout (p -> name -> value, c, | |
608 | p -> name -> len); | |
609 | /* Wait for a 32-bit length. */ | |
581e37e4 | 610 | p -> state = omapi_protocol_value_length_wait; |
61b844bf TL |
611 | if ((omapi_connection_require (c, 4)) != ISC_R_SUCCESS) |
612 | break; | |
613 | /* If it's already here, fall through. */ | |
614 | ||
615 | case omapi_protocol_value_length_wait: | |
616 | omapi_connection_get_uint32 (c, &vlen); | |
617 | ||
618 | /* Zero-length values are allowed - if we get one, we | |
619 | don't have to read any data for the value - just | |
620 | get the next one, if there is a next one. */ | |
621 | if (!vlen) | |
622 | goto insert_new_value; | |
623 | ||
4bd8800e TL |
624 | status = omapi_typed_data_new (MDL, &p -> value, |
625 | omapi_datatype_data, | |
626 | vlen); | |
61b844bf TL |
627 | if (status != ISC_R_SUCCESS) { |
628 | omapi_disconnect (c, 1); | |
629 | return ISC_R_NOMEMORY; | |
630 | } | |
631 | ||
581e37e4 | 632 | p -> state = omapi_protocol_value_wait; |
61b844bf TL |
633 | if (omapi_connection_require (c, vlen) != ISC_R_SUCCESS) |
634 | break; | |
635 | /* If it's already here, fall through. */ | |
f6b8f48d | 636 | |
61b844bf TL |
637 | case omapi_protocol_value_wait: |
638 | omapi_connection_copyout (p -> value -> u.buffer.value, c, | |
639 | p -> value -> u.buffer.len); | |
640 | ||
641 | insert_new_value: | |
581e37e4 TL |
642 | if (p -> reading_message_values) { |
643 | status = (omapi_set_value | |
644 | ((omapi_object_t *)p -> message, | |
645 | p -> message -> id_object, | |
646 | p -> name, p -> value)); | |
647 | } else { | |
648 | if (!p -> message -> object) { | |
649 | /* We need a generic object to hang off of the | |
650 | incoming message. */ | |
651 | status = (omapi_generic_new | |
4bd8800e | 652 | (&p -> message -> object, MDL)); |
581e37e4 TL |
653 | if (status != ISC_R_SUCCESS) { |
654 | omapi_disconnect (c, 1); | |
655 | return status; | |
656 | } | |
657 | } | |
658 | status = (omapi_set_value | |
659 | ((omapi_object_t *)p -> message -> object, | |
660 | p -> message -> id_object, | |
661 | p -> name, p -> value)); | |
662 | } | |
61b844bf TL |
663 | if (status != ISC_R_SUCCESS) { |
664 | omapi_disconnect (c, 1); | |
665 | return status; | |
666 | } | |
4bd8800e | 667 | omapi_data_string_dereference (&p -> name, MDL); |
d758ad8c TL |
668 | if (p -> value) |
669 | omapi_typed_data_dereference (&p -> value, MDL); | |
61b844bf TL |
670 | goto need_name_length; |
671 | ||
672 | signature_wait: | |
673 | case omapi_protocol_signature_wait: | |
49146f3c DN |
674 | if (p -> message -> id_object) { |
675 | /* Compute the signature of the message. */ | |
49146f3c DN |
676 | status = omapi_get_value_str (c, (omapi_object_t *)0, |
677 | "input-signature", | |
678 | &signature); | |
679 | if (status != ISC_R_SUCCESS) { | |
680 | omapi_disconnect (c, 1); | |
681 | return status; | |
682 | } | |
683 | ||
684 | /* Disable the authentication key on the connection. */ | |
685 | status = omapi_set_value_str (c, (omapi_object_t *)0, | |
686 | "input-authenticator", | |
687 | (omapi_typed_data_t *)0); | |
688 | if (status != ISC_R_SUCCESS) { | |
689 | omapi_value_dereference (&signature, MDL); | |
690 | omapi_disconnect (c, 1); | |
691 | return status; | |
692 | } | |
693 | } | |
694 | ||
695 | /* Read the authenticator. */ | |
4bd8800e TL |
696 | status = omapi_typed_data_new (MDL, |
697 | &p -> message -> authenticator, | |
61b844bf TL |
698 | omapi_datatype_data, |
699 | p -> message -> authlen); | |
f6b8f48d | 700 | |
61b844bf | 701 | if (status != ISC_R_SUCCESS) { |
0f750c4f SR |
702 | if (signature != NULL) { |
703 | omapi_value_dereference (&signature, MDL); | |
704 | } | |
61b844bf TL |
705 | omapi_disconnect (c, 1); |
706 | return ISC_R_NOMEMORY; | |
707 | } | |
708 | omapi_connection_copyout | |
709 | (p -> message -> authenticator -> u.buffer.value, c, | |
710 | p -> message -> authlen); | |
49146f3c DN |
711 | |
712 | /* Verify the signature. */ | |
713 | if (p -> message -> id_object && | |
714 | ((signature -> value -> u.buffer.len != | |
715 | p -> message -> authlen) || | |
716 | (memcmp (signature -> value -> u.buffer.value, | |
717 | p -> message -> authenticator -> u.buffer.value, | |
718 | p -> message -> authlen) != 0))) { | |
719 | /* Invalid signature. */ | |
98bf1607 | 720 | p->verify_result = DHCP_R_INVALIDKEY; |
49146f3c DN |
721 | } |
722 | ||
0f750c4f SR |
723 | if (signature != NULL) { |
724 | omapi_value_dereference (&signature, MDL); | |
725 | } | |
61b844bf | 726 | |
581e37e4 | 727 | /* Process the message. */ |
61b844bf | 728 | message_done: |
49146f3c DN |
729 | if (p -> verify_result != ISC_R_SUCCESS) { |
730 | status = omapi_protocol_send_status | |
731 | (h, (omapi_object_t *)0, p -> verify_result, | |
732 | p -> message -> id, (char *)0); | |
733 | } else { | |
734 | status = omapi_message_process | |
735 | ((omapi_object_t *)p -> message, h); | |
736 | } | |
581e37e4 TL |
737 | if (status != ISC_R_SUCCESS) { |
738 | omapi_disconnect (c, 1); | |
739 | return ISC_R_NOMEMORY; | |
740 | } | |
741 | ||
20916cae | 742 | omapi_message_dereference (&p -> message, MDL); |
31bbee78 TL |
743 | #if defined (DEBUG_MEMORY_LEAKAGE) |
744 | log_info ("generation %ld: %ld new, %ld outstanding, %ld%s", | |
745 | dmalloc_generation, | |
746 | dmalloc_outstanding - previous_outstanding, | |
747 | dmalloc_outstanding, dmalloc_longterm, " long-term"); | |
748 | #endif | |
749 | #if (defined (DEBUG_MEMORY_LEAKAGE) || defined (DEBUG_MALLOC_POOL)) | |
750 | dmalloc_dump_outstanding (); | |
751 | #endif | |
752 | #if defined (DEBUG_RC_HISTORY_EXHAUSTIVELY) | |
4619c0a2 | 753 | dump_rc_history (h); |
31bbee78 TL |
754 | #endif |
755 | #if defined (DEBUG_MEMORY_LEAKAGE) | |
98311e4b | 756 | previous_outstanding = 0xDEADBEEF; |
31bbee78 | 757 | #endif |
61b844bf | 758 | /* Now wait for the next message. */ |
f6b8f48d | 759 | goto to_header_wait; |
61b844bf TL |
760 | |
761 | default: | |
762 | /* XXX should never get here. Assertion? */ | |
8a6dfe4c | 763 | break; |
61b844bf TL |
764 | } |
765 | return ISC_R_SUCCESS; | |
766 | } | |
767 | ||
49146f3c DN |
768 | isc_result_t omapi_protocol_add_auth (omapi_object_t *po, |
769 | omapi_object_t *ao, | |
770 | omapi_handle_t handle) | |
771 | { | |
772 | omapi_protocol_object_t *p; | |
773 | omapi_remote_auth_t *r; | |
774 | isc_result_t status; | |
775 | ||
776 | if (ao -> type != omapi_type_auth_key && | |
777 | (!ao -> inner || ao -> inner -> type != omapi_type_auth_key)) | |
98bf1607 | 778 | return DHCP_R_INVALIDARG; |
49146f3c DN |
779 | |
780 | if (po -> type != omapi_type_protocol) | |
98bf1607 | 781 | return DHCP_R_INVALIDARG; |
49146f3c DN |
782 | p = (omapi_protocol_object_t *)po; |
783 | ||
e11a162f DN |
784 | #ifdef DEBUG_PROTOCOL |
785 | log_debug ("omapi_protocol_add_auth(name=%s)", | |
786 | ((omapi_auth_key_t *)ao) -> name); | |
787 | #endif | |
788 | ||
49146f3c DN |
789 | if (p -> verify_auth) { |
790 | status = (p -> verify_auth) (po, (omapi_auth_key_t *)ao); | |
791 | if (status != ISC_R_SUCCESS) | |
792 | return status; | |
793 | } | |
794 | ||
795 | /* If omapi_protocol_connect() was called with a default | |
796 | authenticator, p -> default_auth will already be set, | |
797 | but p -> remote_auth_list will not yet be initialized. */ | |
798 | if (p -> default_auth && !p -> remote_auth_list) { | |
799 | if (p -> default_auth -> a != ao) { | |
800 | /* Something just went horribly wrong. */ | |
801 | omapi_disconnect (p -> outer, 1); | |
802 | return ISC_R_UNEXPECTED; | |
803 | } | |
804 | ||
805 | p -> remote_auth_list = p -> default_auth; | |
806 | p -> default_auth -> remote_handle = handle; | |
807 | ||
808 | return omapi_signal_in (p -> inner, "ready"); | |
809 | } | |
810 | ||
811 | r = dmalloc (sizeof(*r), MDL); | |
812 | if (!r) | |
813 | return ISC_R_NOMEMORY; | |
814 | ||
815 | status = omapi_object_reference (&r -> a, ao, MDL); | |
816 | if (status != ISC_R_SUCCESS) { | |
817 | dfree (r, MDL); | |
818 | return status; | |
819 | } | |
820 | ||
821 | r -> remote_handle = handle; | |
822 | r -> next = p -> remote_auth_list; | |
823 | p -> remote_auth_list = r; | |
824 | ||
825 | return ISC_R_SUCCESS; | |
826 | } | |
827 | ||
828 | isc_result_t omapi_protocol_lookup_auth (omapi_object_t **a, | |
829 | omapi_object_t *po, | |
830 | omapi_handle_t handle) | |
831 | { | |
832 | omapi_protocol_object_t *p; | |
833 | omapi_remote_auth_t *r; | |
834 | ||
835 | if (po -> type != omapi_type_protocol) | |
98bf1607 | 836 | return DHCP_R_INVALIDARG; |
49146f3c DN |
837 | p = (omapi_protocol_object_t *)po; |
838 | ||
839 | for (r = p -> remote_auth_list; r; r = r -> next) | |
840 | if (r -> remote_handle == handle) | |
841 | return omapi_object_reference (a, r -> a, MDL); | |
842 | ||
98bf1607 | 843 | return DHCP_R_KEY_UNKNOWN; |
49146f3c DN |
844 | } |
845 | ||
61b844bf TL |
846 | isc_result_t omapi_protocol_set_value (omapi_object_t *h, |
847 | omapi_object_t *id, | |
848 | omapi_data_string_t *name, | |
849 | omapi_typed_data_t *value) | |
850 | { | |
49146f3c DN |
851 | omapi_protocol_object_t *p; |
852 | omapi_remote_auth_t *r; | |
853 | ||
61b844bf | 854 | if (h -> type != omapi_type_protocol) |
98bf1607 | 855 | return DHCP_R_INVALIDARG; |
49146f3c DN |
856 | p = (omapi_protocol_object_t *)h; |
857 | ||
858 | if (omapi_ds_strcmp (name, "default-authenticator") == 0) { | |
0f750c4f | 859 | if (!value || value -> type != omapi_datatype_object) |
98bf1607 | 860 | return DHCP_R_INVALIDARG; |
49146f3c | 861 | |
0f750c4f | 862 | if (!value -> u.object) { |
49146f3c DN |
863 | p -> default_auth = (omapi_remote_auth_t *)0; |
864 | } else { | |
865 | for (r = p -> remote_auth_list; r; r = r -> next) | |
866 | if (r -> a == value -> u.object) | |
867 | break; | |
868 | ||
869 | if (!r) | |
98bf1607 | 870 | return DHCP_R_KEY_UNKNOWN; |
49146f3c DN |
871 | |
872 | p -> default_auth = r; | |
873 | } | |
874 | ||
875 | return ISC_R_SUCCESS; | |
876 | } | |
61b844bf TL |
877 | |
878 | if (h -> inner && h -> inner -> type -> set_value) | |
879 | return (*(h -> inner -> type -> set_value)) | |
880 | (h -> inner, id, name, value); | |
881 | return ISC_R_NOTFOUND; | |
882 | } | |
883 | ||
884 | isc_result_t omapi_protocol_get_value (omapi_object_t *h, | |
885 | omapi_object_t *id, | |
886 | omapi_data_string_t *name, | |
887 | omapi_value_t **value) | |
888 | { | |
49146f3c DN |
889 | omapi_protocol_object_t *p; |
890 | ||
61b844bf | 891 | if (h -> type != omapi_type_protocol) |
98bf1607 | 892 | return DHCP_R_INVALIDARG; |
49146f3c DN |
893 | p = (omapi_protocol_object_t *)h; |
894 | ||
895 | if (omapi_ds_strcmp (name, "default-authenticator") == 0) { | |
896 | if (!p -> default_auth) | |
897 | return ISC_R_NOTFOUND; | |
898 | ||
899 | return omapi_make_object_value (value, name, | |
900 | p -> default_auth -> a, MDL); | |
901 | } | |
f6b8f48d | 902 | |
61b844bf TL |
903 | if (h -> inner && h -> inner -> type -> get_value) |
904 | return (*(h -> inner -> type -> get_value)) | |
905 | (h -> inner, id, name, value); | |
906 | return ISC_R_NOTFOUND; | |
907 | } | |
908 | ||
4bd8800e TL |
909 | isc_result_t omapi_protocol_destroy (omapi_object_t *h, |
910 | const char *file, int line) | |
61b844bf TL |
911 | { |
912 | omapi_protocol_object_t *p; | |
913 | if (h -> type != omapi_type_protocol) | |
98bf1607 | 914 | return DHCP_R_INVALIDARG; |
61b844bf TL |
915 | p = (omapi_protocol_object_t *)h; |
916 | if (p -> message) | |
20916cae | 917 | omapi_message_dereference (&p -> message, file, line); |
49146f3c DN |
918 | |
919 | /* This will happen if: 1) A default authenticator is supplied to | |
920 | omapi_protocol_connect(), and 2) something goes wrong before | |
921 | the authenticator can be opened. */ | |
922 | if (p -> default_auth && !p -> remote_auth_list) | |
923 | dfree (p -> default_auth, file, line); | |
924 | ||
925 | while (p -> remote_auth_list) { | |
bb9189c3 SR |
926 | omapi_remote_auth_t *r = p -> remote_auth_list; |
927 | p -> remote_auth_list = p -> remote_auth_list -> next; | |
928 | omapi_object_dereference (&r -> a, file, line); | |
929 | dfree (r, file, line); | |
49146f3c | 930 | } |
61b844bf TL |
931 | return ISC_R_SUCCESS; |
932 | } | |
933 | ||
934 | /* Write all the published values associated with the object through the | |
935 | specified connection. */ | |
936 | ||
937 | isc_result_t omapi_protocol_stuff_values (omapi_object_t *c, | |
938 | omapi_object_t *id, | |
939 | omapi_object_t *p) | |
940 | { | |
61b844bf | 941 | if (p -> type != omapi_type_protocol) |
98bf1607 | 942 | return DHCP_R_INVALIDARG; |
61b844bf TL |
943 | |
944 | if (p -> inner && p -> inner -> type -> stuff_values) | |
945 | return (*(p -> inner -> type -> stuff_values)) (c, id, | |
946 | p -> inner); | |
947 | return ISC_R_SUCCESS; | |
948 | } | |
949 | ||
49146f3c DN |
950 | /* Returns a boolean indicating whether this protocol requires that |
951 | messages be authenticated or not. */ | |
952 | ||
953 | isc_boolean_t omapi_protocol_authenticated (omapi_object_t *h) | |
954 | { | |
955 | if (h -> type != omapi_type_protocol) | |
956 | return isc_boolean_false; | |
957 | if (((omapi_protocol_object_t *)h) -> insecure) | |
958 | return isc_boolean_false; | |
959 | else | |
960 | return isc_boolean_true; | |
961 | } | |
962 | ||
963 | /* Sets the address and authenticator verification callbacks. The handle | |
964 | is to a listener object, not a protocol object. */ | |
965 | ||
966 | isc_result_t omapi_protocol_configure_security (omapi_object_t *h, | |
967 | isc_result_t (*verify_addr) | |
968 | (omapi_object_t *, | |
969 | omapi_addr_t *), | |
970 | isc_result_t (*verify_auth) | |
971 | (omapi_object_t *, | |
972 | omapi_auth_key_t *)) | |
973 | { | |
974 | omapi_protocol_listener_object_t *l; | |
975 | ||
976 | if (h -> outer && h -> outer -> type == omapi_type_protocol_listener) | |
977 | h = h -> outer; | |
978 | ||
979 | if (h -> type != omapi_type_protocol_listener) | |
98bf1607 | 980 | return DHCP_R_INVALIDARG; |
49146f3c DN |
981 | l = (omapi_protocol_listener_object_t *)h; |
982 | ||
983 | l -> verify_auth = verify_auth; | |
984 | l -> insecure = 0; | |
985 | ||
0f750c4f SR |
986 | if (h -> outer != NULL) { |
987 | return omapi_listener_configure_security (h -> outer, verify_addr); | |
988 | } else { | |
989 | return DHCP_R_INVALIDARG; | |
990 | } | |
49146f3c | 991 | } |
f6b8f48d | 992 | |
49146f3c | 993 | |
61b844bf TL |
994 | /* Set up a listener for the omapi protocol. The handle stored points to |
995 | a listener object, not a protocol object. */ | |
996 | ||
997 | isc_result_t omapi_protocol_listen (omapi_object_t *h, | |
d9eefc5d | 998 | unsigned port, |
61b844bf TL |
999 | int max) |
1000 | { | |
1001 | isc_result_t status; | |
1002 | omapi_protocol_listener_object_t *obj; | |
1003 | ||
20916cae TL |
1004 | obj = (omapi_protocol_listener_object_t *)0; |
1005 | status = omapi_protocol_listener_allocate (&obj, MDL); | |
1006 | if (status != ISC_R_SUCCESS) | |
1007 | return status; | |
61b844bf | 1008 | |
4bd8800e TL |
1009 | status = omapi_object_reference (&h -> outer, |
1010 | (omapi_object_t *)obj, MDL); | |
61b844bf | 1011 | if (status != ISC_R_SUCCESS) { |
20916cae | 1012 | omapi_protocol_listener_dereference (&obj, MDL); |
61b844bf TL |
1013 | return status; |
1014 | } | |
4bd8800e | 1015 | status = omapi_object_reference (&obj -> inner, h, MDL); |
61b844bf | 1016 | if (status != ISC_R_SUCCESS) { |
20916cae | 1017 | omapi_protocol_listener_dereference (&obj, MDL); |
61b844bf TL |
1018 | return status; |
1019 | } | |
1020 | ||
49146f3c DN |
1021 | /* What a terrible default. */ |
1022 | obj -> insecure = 1; | |
1023 | ||
61b844bf | 1024 | status = omapi_listen ((omapi_object_t *)obj, port, max); |
20916cae | 1025 | omapi_protocol_listener_dereference (&obj, MDL); |
61b844bf TL |
1026 | return status; |
1027 | } | |
1028 | ||
1029 | /* Signal handler for protocol listener - if we get a connect signal, | |
1030 | create a new protocol connection, otherwise pass the signal down. */ | |
1031 | ||
1032 | isc_result_t omapi_protocol_listener_signal (omapi_object_t *o, | |
b1b7b521 | 1033 | const char *name, va_list ap) |
61b844bf TL |
1034 | { |
1035 | isc_result_t status; | |
1036 | omapi_object_t *c; | |
1037 | omapi_protocol_object_t *obj; | |
1038 | omapi_protocol_listener_object_t *p; | |
1039 | ||
1040 | if (!o || o -> type != omapi_type_protocol_listener) | |
98bf1607 | 1041 | return DHCP_R_INVALIDARG; |
61b844bf TL |
1042 | p = (omapi_protocol_listener_object_t *)o; |
1043 | ||
1044 | /* Not a signal we recognize? */ | |
1045 | if (strcmp (name, "connect")) { | |
1046 | if (p -> inner && p -> inner -> type -> signal_handler) | |
1047 | return (*(p -> inner -> type -> signal_handler)) | |
1048 | (p -> inner, name, ap); | |
1049 | return ISC_R_NOTFOUND; | |
1050 | } | |
1051 | ||
1052 | c = va_arg (ap, omapi_object_t *); | |
1053 | if (!c || c -> type != omapi_type_connection) | |
98bf1607 | 1054 | return DHCP_R_INVALIDARG; |
61b844bf | 1055 | |
20916cae TL |
1056 | obj = (omapi_protocol_object_t *)0; |
1057 | status = omapi_protocol_allocate (&obj, MDL); | |
1058 | if (status != ISC_R_SUCCESS) | |
1059 | return status; | |
61b844bf | 1060 | |
49146f3c DN |
1061 | obj -> verify_auth = p -> verify_auth; |
1062 | obj -> insecure = p -> insecure; | |
1063 | ||
4bd8800e | 1064 | status = omapi_object_reference (&obj -> outer, c, MDL); |
61b844bf TL |
1065 | if (status != ISC_R_SUCCESS) { |
1066 | lose: | |
20916cae | 1067 | omapi_protocol_dereference (&obj, MDL); |
61b844bf TL |
1068 | omapi_disconnect (c, 1); |
1069 | return status; | |
1070 | } | |
1071 | ||
4bd8800e TL |
1072 | status = omapi_object_reference (&c -> inner, |
1073 | (omapi_object_t *)obj, MDL); | |
61b844bf TL |
1074 | if (status != ISC_R_SUCCESS) |
1075 | goto lose; | |
1076 | ||
1077 | /* Send the introductory message. */ | |
1078 | status = omapi_protocol_send_intro ((omapi_object_t *)obj, | |
1079 | OMAPI_PROTOCOL_VERSION, | |
1080 | sizeof (omapi_protocol_header_t)); | |
1081 | if (status != ISC_R_SUCCESS) | |
1082 | goto lose; | |
1083 | ||
20916cae | 1084 | omapi_protocol_dereference (&obj, MDL); |
61b844bf TL |
1085 | return status; |
1086 | } | |
1087 | ||
1088 | isc_result_t omapi_protocol_listener_set_value (omapi_object_t *h, | |
1089 | omapi_object_t *id, | |
1090 | omapi_data_string_t *name, | |
1091 | omapi_typed_data_t *value) | |
1092 | { | |
1093 | if (h -> type != omapi_type_protocol_listener) | |
98bf1607 | 1094 | return DHCP_R_INVALIDARG; |
f6b8f48d | 1095 | |
61b844bf TL |
1096 | if (h -> inner && h -> inner -> type -> set_value) |
1097 | return (*(h -> inner -> type -> set_value)) | |
1098 | (h -> inner, id, name, value); | |
1099 | return ISC_R_NOTFOUND; | |
1100 | } | |
1101 | ||
1102 | isc_result_t omapi_protocol_listener_get_value (omapi_object_t *h, | |
1103 | omapi_object_t *id, | |
1104 | omapi_data_string_t *name, | |
1105 | omapi_value_t **value) | |
1106 | { | |
1107 | if (h -> type != omapi_type_protocol_listener) | |
98bf1607 | 1108 | return DHCP_R_INVALIDARG; |
f6b8f48d | 1109 | |
61b844bf TL |
1110 | if (h -> inner && h -> inner -> type -> get_value) |
1111 | return (*(h -> inner -> type -> get_value)) | |
1112 | (h -> inner, id, name, value); | |
1113 | return ISC_R_NOTFOUND; | |
1114 | } | |
1115 | ||
b1b7b521 | 1116 | isc_result_t omapi_protocol_listener_destroy (omapi_object_t *h, |
4bd8800e | 1117 | const char *file, int line) |
61b844bf TL |
1118 | { |
1119 | if (h -> type != omapi_type_protocol_listener) | |
98bf1607 | 1120 | return DHCP_R_INVALIDARG; |
61b844bf TL |
1121 | return ISC_R_SUCCESS; |
1122 | } | |
1123 | ||
1124 | /* Write all the published values associated with the object through the | |
1125 | specified connection. */ | |
1126 | ||
1127 | isc_result_t omapi_protocol_listener_stuff (omapi_object_t *c, | |
1128 | omapi_object_t *id, | |
1129 | omapi_object_t *p) | |
1130 | { | |
61b844bf | 1131 | if (p -> type != omapi_type_protocol_listener) |
98bf1607 | 1132 | return DHCP_R_INVALIDARG; |
61b844bf TL |
1133 | |
1134 | if (p -> inner && p -> inner -> type -> stuff_values) | |
1135 | return (*(p -> inner -> type -> stuff_values)) (c, id, | |
1136 | p -> inner); | |
1137 | return ISC_R_SUCCESS; | |
1138 | } | |
1139 | ||
5a8e13c6 TL |
1140 | isc_result_t omapi_protocol_send_status (omapi_object_t *po, |
1141 | omapi_object_t *id, | |
1142 | isc_result_t waitstatus, | |
b1b7b521 | 1143 | unsigned rid, const char *msg) |
5a8e13c6 TL |
1144 | { |
1145 | isc_result_t status; | |
20916cae TL |
1146 | omapi_message_object_t *message = (omapi_message_object_t *)0; |
1147 | omapi_object_t *mo; | |
5a8e13c6 TL |
1148 | |
1149 | if (po -> type != omapi_type_protocol) | |
98bf1607 | 1150 | return DHCP_R_INVALIDARG; |
5a8e13c6 | 1151 | |
db4cfe3b | 1152 | status = omapi_message_new ((omapi_object_t **)&message, MDL); |
5a8e13c6 TL |
1153 | if (status != ISC_R_SUCCESS) |
1154 | return status; | |
20916cae | 1155 | mo = (omapi_object_t *)message; |
5a8e13c6 | 1156 | |
20916cae | 1157 | status = omapi_set_int_value (mo, (omapi_object_t *)0, |
5a8e13c6 TL |
1158 | "op", OMAPI_OP_STATUS); |
1159 | if (status != ISC_R_SUCCESS) { | |
20916cae | 1160 | omapi_message_dereference (&message, MDL); |
5a8e13c6 TL |
1161 | return status; |
1162 | } | |
1163 | ||
20916cae | 1164 | status = omapi_set_int_value (mo, (omapi_object_t *)0, |
b1b7b521 | 1165 | "rid", (int)rid); |
5a8e13c6 | 1166 | if (status != ISC_R_SUCCESS) { |
20916cae | 1167 | omapi_message_dereference (&message, MDL); |
5a8e13c6 TL |
1168 | return status; |
1169 | } | |
1170 | ||
20916cae | 1171 | status = omapi_set_int_value (mo, (omapi_object_t *)0, |
b1b7b521 | 1172 | "result", (int)waitstatus); |
5a8e13c6 | 1173 | if (status != ISC_R_SUCCESS) { |
20916cae | 1174 | omapi_message_dereference (&message, MDL); |
5a8e13c6 TL |
1175 | return status; |
1176 | } | |
1177 | ||
1178 | /* If a message has been provided, send it. */ | |
1179 | if (msg) { | |
20916cae | 1180 | status = omapi_set_string_value (mo, (omapi_object_t *)0, |
5a8e13c6 TL |
1181 | "message", msg); |
1182 | if (status != ISC_R_SUCCESS) { | |
20916cae | 1183 | omapi_message_dereference (&message, MDL); |
5a8e13c6 TL |
1184 | return status; |
1185 | } | |
1186 | } | |
1187 | ||
20916cae TL |
1188 | status = omapi_protocol_send_message (po, id, mo, (omapi_object_t *)0); |
1189 | omapi_message_dereference (&message, MDL); | |
1190 | return status; | |
5a8e13c6 TL |
1191 | } |
1192 | ||
49146f3c DN |
1193 | /* The OMAPI_NOTIFY_PROTOCOL flag will cause the notify-object for the |
1194 | message to be set to the protocol object. This is used when opening | |
1195 | the default authenticator. */ | |
1196 | ||
1197 | isc_result_t omapi_protocol_send_open (omapi_object_t *po, | |
1198 | omapi_object_t *id, | |
1199 | const char *type, | |
1200 | omapi_object_t *object, | |
1201 | unsigned flags) | |
1202 | { | |
1203 | isc_result_t status; | |
1204 | omapi_message_object_t *message = (omapi_message_object_t *)0; | |
1205 | omapi_object_t *mo; | |
1206 | ||
1207 | if (po -> type != omapi_type_protocol) | |
98bf1607 | 1208 | return DHCP_R_INVALIDARG; |
49146f3c DN |
1209 | |
1210 | status = omapi_message_new ((omapi_object_t **)&message, MDL); | |
1211 | mo = (omapi_object_t *)message; | |
1212 | ||
1213 | if (status == ISC_R_SUCCESS) | |
1214 | status = omapi_set_int_value (mo, (omapi_object_t *)0, | |
1215 | "op", OMAPI_OP_OPEN); | |
1216 | ||
1217 | if (status == ISC_R_SUCCESS) | |
1218 | status = omapi_set_object_value (mo, (omapi_object_t *)0, | |
1219 | "object", object); | |
1220 | ||
1221 | if ((flags & OMAPI_CREATE) && (status == ISC_R_SUCCESS)) | |
1222 | status = omapi_set_boolean_value (mo, (omapi_object_t *)0, | |
1223 | "create", 1); | |
1224 | ||
1225 | if ((flags & OMAPI_UPDATE) && (status == ISC_R_SUCCESS)) | |
1226 | status = omapi_set_boolean_value (mo, (omapi_object_t *)0, | |
1227 | "update", 1); | |
1228 | ||
1229 | if ((flags & OMAPI_EXCL) && (status == ISC_R_SUCCESS)) | |
1230 | status = omapi_set_boolean_value (mo, (omapi_object_t *)0, | |
1231 | "exclusive", 1); | |
1232 | ||
1233 | if ((flags & OMAPI_NOTIFY_PROTOCOL) && (status == ISC_R_SUCCESS)) | |
1234 | status = omapi_set_object_value (mo, (omapi_object_t *)0, | |
1235 | "notify-object", po); | |
1236 | ||
1237 | if (type && (status == ISC_R_SUCCESS)) | |
1238 | status = omapi_set_string_value (mo, (omapi_object_t *)0, | |
1239 | "type", type); | |
1240 | ||
1241 | if (status == ISC_R_SUCCESS) | |
1242 | status = omapi_message_register (mo); | |
1243 | ||
1244 | if (status == ISC_R_SUCCESS) { | |
1245 | status = omapi_protocol_send_message (po, id, mo, | |
1246 | (omapi_object_t *)0); | |
1247 | if (status != ISC_R_SUCCESS) | |
1248 | omapi_message_unregister (mo); | |
1249 | } | |
1250 | ||
1251 | if (message) | |
1252 | omapi_message_dereference (&message, MDL); | |
1253 | ||
1254 | return status; | |
1255 | } | |
1256 | ||
5a8e13c6 TL |
1257 | isc_result_t omapi_protocol_send_update (omapi_object_t *po, |
1258 | omapi_object_t *id, | |
b1b7b521 | 1259 | unsigned rid, |
5a8e13c6 TL |
1260 | omapi_object_t *object) |
1261 | { | |
1262 | isc_result_t status; | |
20916cae TL |
1263 | omapi_message_object_t *message = (omapi_message_object_t *)0; |
1264 | omapi_object_t *mo; | |
5a8e13c6 TL |
1265 | |
1266 | if (po -> type != omapi_type_protocol) | |
98bf1607 | 1267 | return DHCP_R_INVALIDARG; |
5a8e13c6 | 1268 | |
db4cfe3b | 1269 | status = omapi_message_new ((omapi_object_t **)&message, MDL); |
5a8e13c6 TL |
1270 | if (status != ISC_R_SUCCESS) |
1271 | return status; | |
20916cae | 1272 | mo = (omapi_object_t *)message; |
5a8e13c6 | 1273 | |
20916cae | 1274 | status = omapi_set_int_value (mo, (omapi_object_t *)0, |
5a8e13c6 TL |
1275 | "op", OMAPI_OP_UPDATE); |
1276 | if (status != ISC_R_SUCCESS) { | |
20916cae | 1277 | omapi_message_dereference (&message, MDL); |
5a8e13c6 TL |
1278 | return status; |
1279 | } | |
1280 | ||
1281 | if (rid) { | |
e5bbe4da | 1282 | omapi_handle_t handle; |
20916cae | 1283 | status = omapi_set_int_value (mo, (omapi_object_t *)0, |
b1b7b521 | 1284 | "rid", (int)rid); |
5a8e13c6 | 1285 | if (status != ISC_R_SUCCESS) { |
20916cae | 1286 | omapi_message_dereference (&message, MDL); |
5a8e13c6 TL |
1287 | return status; |
1288 | } | |
e5bbe4da | 1289 | |
5a8e13c6 TL |
1290 | status = omapi_object_handle (&handle, object); |
1291 | if (status != ISC_R_SUCCESS) { | |
20916cae | 1292 | omapi_message_dereference (&message, MDL); |
5a8e13c6 TL |
1293 | return status; |
1294 | } | |
20916cae | 1295 | status = omapi_set_int_value (mo, (omapi_object_t *)0, |
b1b7b521 | 1296 | "handle", (int)handle); |
5a8e13c6 | 1297 | if (status != ISC_R_SUCCESS) { |
20916cae | 1298 | omapi_message_dereference (&message, MDL); |
5a8e13c6 TL |
1299 | return status; |
1300 | } | |
f6b8f48d TM |
1301 | } |
1302 | ||
20916cae | 1303 | status = omapi_set_object_value (mo, (omapi_object_t *)0, |
5a8e13c6 TL |
1304 | "object", object); |
1305 | if (status != ISC_R_SUCCESS) { | |
20916cae | 1306 | omapi_message_dereference (&message, MDL); |
5a8e13c6 TL |
1307 | return status; |
1308 | } | |
1309 | ||
20916cae TL |
1310 | status = omapi_protocol_send_message (po, id, mo, (omapi_object_t *)0); |
1311 | omapi_message_dereference (&message, MDL); | |
1312 | return status; | |
5a8e13c6 | 1313 | } |